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Harnessing the energy of the blazing sun is perhaps the most effective, sustainable, and cost-effective solution to power homes and establishments in India. In Chennai, where the sun beats down mercilessly for much of the year, it could prove a worthwhile investment. Besides, who would say no to a lifetime of sustainable energy?
Over the years, there has been an increased awareness of the importance of renewable energy. Also, as solar energy is seen as the best alternative energy source, people see it as a sensible investment.
It won't take long before you think about buying solar panels to power your home or business. However, like every other purchase, this is an investment that requires careful planning and consideration. To help you make a wise choice, we compiled a list of factors to consider before you bring home your solar panels. Let's take a look.
Condition and layout of your roof
Since your solar panels will be housed on the roof of your building, it is the first thing to come under the scanner. Before you go ahead with the purchase, your roof should be inspected by a professional to assess three aspects:
Depending on the number of panels you require, it can add considerable weight to your roof. Therefore, ensure your roof is in perfect condition and do the required renovations before giving the green signal for the installation.
Property's exposure to sunlight
When evaluating your property before the installation, check if it receives at least four to five hours of direct sunlight. You also need to rule out any sources of shading like trees or buildings that may block the sun from your panels. That said, you should remember that your solar panels will receive photons from the sun even on cloudy days. They do not require blue skies throughout the year, so do not fret!
Amount of energy required.
Your household's energy consumption is determined by the number of family members, electrical devices, usage, and so on. To ascertain the exact number of panels required, you can do the following calculation:
Kilowatts of energy used per day x 0.25 = Number of panels required to produce energy.
Government incentives for solar energy
Solar energy is free and clean energy, and the government provides incentives and subsidies to those wishing to install solar panels. The main objective here is to allow electricity generated from photovoltaics to compete with other energy sources. Apart from India, many other countries provide solar power subsidies to encourage this investment. Therefore, it is crucial to collect all the available information and gain maximum benefits with these incentives.
Choosing the right company for the installation
Solar panel installation is a job for professionals well-versed in similar electrical projects. It is not a DIY project. You will need a reputed installer who will:
It is important to note that certified professionals can only carry out solar panel installation.
Will you lease or buy?
Depending on your finances, you have two options to invest in solar panels:
Whatever the choice, it is a win-win situation as the benefits and profits override the disadvantages.
Connected to the grid or off-grid
Another big decision for installation depends on whether you want to be connected to the grid or run an off-grid system that stores the electricity. Let's break it down for you:
Grid system: Provides you with Net Metering, an incentive that gives you credit on your bill for the excess power produced by your solar panels.
Off-grid system: Not connected to your electricity bill. Hence you need a large storage capacity to save energy and use it when required.
Positioning of your panels
The position of your solar panels has a great impact on the amount of energy generated. For example, if you live in the northern hemisphere, the sun is south of the sky. Hence, if the panels are placed on a south-facing roof, it will allow maximum exposure to the sun's rays. Here are more guidelines for solar panel positioning:
We suggest you seek professional guidance from installation experts to get things done the right way.
Also Read: Understanding The UPS( Uninterruptible Power Supply)
The main objective of installing solar panels is to generate your source of energy and curb electricity expenses. However, it can be tough to calculate how much money you will save. You can use this formula to estimate your saved expenses with solar energy:
Your electricity rate (INR/kWh) + your GST x your solar power system size x 1,168
Go Solar To Save The Earth!
Whether you are saving small or big, you are playing your part in using natural, sustainable energy. Yes, solar panels are a significant investment, but it is one of the best choices you can make.
To ensure that your panels are performance-tested, you should reach out to expert installers like Nantech Power Systems Pvt Ltd. We are Chennai's leading solar panel supplier, experts in installing on-grid, off-grid, and solar-powered street lights. Let's discuss your solar panel requirements and get going with your installation process!
In this age and time, all of us have either used or seen the UPS. It is that magic box that keeps your computer working, the fan running, and the TV blaring even during power cuts. Short for "Uninterruptible Power Supply", UPS is now a common household name. By simple definition, the UPS is an equipment that provides a continuous power supply to electronic devices.
The unreliability of the main electric supply is what fuels the need for the UPS system. In a city like Chennai, you can list a dozen reasons for power failure. The reasons are endless, from shut-downs, load shedding, voltage spikes, and sag, to harmonic distortion and maintenance issues.
In short, the UPS is the savior that powers and protects all hardware components that you rely on for your business and personal work. This includes computers, telecommunication equipment, data centers, and even your fans, lights, and kitchen appliances.
Therefore, it is only fair that you learn more about the UPS, its types, and its key components. This knowledge will help you understand how this device works and to identify and avoid potential problems. So let's get started.
Based on its different working principles, the UPS device is categorized into three types.
1. Standby UPS
The basic Standby UPS is a source of short-term, battery-sourced power during outages. Commonly used for computers, VoIP equipment, and modems, this UPS powers the hardware through a direct AC connection. In this UPS model, the inverter and standby unit are essentially idle until backup power is required. Data and sensitive equipment can also be secured with a standby UPS device, depending on its model. The Standby UPS also comes in compact versions for home networks.
2. Online UPS
The Online UPS is an energy-efficient power supply system powered by either a double or delta conversion technology. When it works with the double conversion technology, the UPS does not directly receive electricity from the AC outlet. Instead, the power first travels to a rectifier, where it is converted into DC power. After this conversion, the DC power travels to the battery and then an inverter, where it is again converted back to AC power. This reconverted, clean AC power is delivered to the equipment.
When it works with delta conversion, the online UPS sends a certain amount of power directly to the equipment that needs to function.
3. Line-Interactive UPS
This type of UPS is similar to the Standby UPS, requiring at least ten minutes of transfer time to power up a device. The line-interactive UPS is also a bit expensive. That's because the load is passed on to the AC unit via a bypass mode applied to the power supply. This solution serves as a backup if the UPS function fails. This UPS can also be used with less than 6kVA power ratings. It is also very ideal for household and office applications.
Now that we've dealt with the types let's explore the main components of the UPS device.
Also Read: Quick Tips To Keep Your Car Battery Healthy
On the outside, the UPS is but a plain box with a red light and a few electrical outlets embedded on its back. It is noiseless, and except for that occasional beeping noise, it is hardly noticeable. But there's a lot that goes on with the UPS system, which comprises four main components we have explained in detail.
1. The Rectifier or Charger
The rectifier has one main function: to ensure the batteries are fully charged while waiting to be activated during a power failure. It converts the AC power from the mains into DC power to charge the UPS battery.
In smaller UPS systems, the rectifier and the charger work as two separate modules. In larger systems, they work as a combined component. Also, the charger setup is different for offline and online UPS as the power flow is different for both models.
2. The UPS Battery
As the component that stores the power supply used during a power shortage, the battery serves as the heart of the UPS system. The batteries are stored in long connected strings to ensure continuous power. Therefore, if one battery fails, the entire string is likely to fail. This is why the battery ought to be frequently tested.
The available battery power determines the runtime of your UPS. This power is measured in amp-hours. Hence, the more batteries your UPS has, the more runtime it provides. This is why many people choose to invest in External Battery Packs or EBMs to increase the UPS runtime when there's an emergency.
3. Static Bypass Switch
Your UPS system is designed to be reliable at all times- including those moments when the UPS itself is faulty. During such instances, the static bypass switch automatically connects the load to the main supply and powers your device. It is called the "bypass" switch because it bypasses the rectifier, inverter, and batteries.
The power provided by the static bypass switch is not clean, as it does not undergo the entire conversion and re-conversion process. Nevertheless, it will power your device until the UPS issue is solved.
4. Inverter
To power your systems and devices with AC power, the inverter plays an instrumental role by switching the DC power from the rectifier back to AC power. This conversion of AC to DC and vice versa is crucial as it ensures the resultant power is a pure sinewave. The inverter smoothes any disruptions, dips and surges in the AC power to keep your devices safe.
In an online UPS, the inverter is constantly active and alive as it ensures a seamless change when there's a power disruption. However, in offline UPS, the inverter is activated through a bypass switch. The inverter ensures the AC power is modulated, uninterrupted and consistent.
The UPS comes in many sizes, from small compact ones to really bulky models. Other than the above-mentioned components, there are other parts that you must also be aware of. They include:
You must choose a UPS system for your business that is both cost- and requirement-effective. At Nantech Power Systems Pvt Ltd, we can help you pick the right UPS system that suits your needs. As one of the most reputed UPS dealers in Chennai, we are well-known for our products and services. Do get in touch with us to discuss your UPS requirements with our team.
A battery is an indispensable part of your car. It can be compared to what the heart does to the human body- It constantly streams in a steady power source into your car components. All of the car’s electronics, including the ECU, headlights, AC, music system, horns, and even the starter motor, rely on the battery to function. And, that is why just like how we should keep our heart healthy, we should also keep our car battery healthy.
Say Checkmate To Climate
On average, a car battery should last between 2 and 6 years. However, the temperature can have a huge impact on the average battery life. A hot day can negatively affect the battery’s life expectancy because of the evaporation of its fluids. So, to make your battery last as long as possible, you must consider the climate in which you will drive. You should take extra care if you are driving in a hot climate.
It’s true that the climate is uncontrollable. But, you can control the battery damage in more than one way. Our experts understand your concerns about maintaining your vehicle batteries. That’s why we’re here to give you 8 tips to take good care of your car battery. As Chennai’s leading Exide car battery dealers and having served our clients for over two decades, we are confident that our maintenance guide will help your batteries last longer.
A car’s battery is unquestionably one of its most essential components. While car operations are almost impossible with low batteries, its high repair and replacement costs make maintenance even more essential. Regular maintenance will ensure the safety of car batteries for many years to come.
In light of our experiences, we have listed below some tips for maintaining your car battery.
Let shade be your car’s brigade
It has been observed that high temperatures often impact the volume of Sulphuric acid inside the battery. Rapid evaporation of the acid causes the battery to die sooner. The best way to protect your car battery from high heat and humidity is to park it in a shaded area or under a covered parking area. This will ensure that your vehicle is not directly exposed to heat.
Clean the batteries umpteen times
Over time, car batteries accumulate dust and corrosion. Rust can form over metal parts of the battery, especially around the terminals, if exposed to dirt and humidity for a long time. These are often the major causes of short circuits and discharges that hinder the longevity of your battery. Therefore, it is highly recommended to clean the battery regularly with a dry cloth to ensure a steady flow of power for a long time.
Say no to quick rides
Short rides prevent your car’s battery from getting fully charged. To avoid this, we recommend driving long distances and doing so more frequently. Investing in a portable car battery charger is a sensible option if you don’t drive your car too often. You can use portable chargers to jump-start your car if you get stranded on the road. You will not have to rely on getting assistance from other vehicles if you have a portable charger with you.
Also Read: Why Should You Rent A UPS System?
Monitor the battery’s water level regularly
Battery cells contain distilled water which must be monitored regularly to ensure the appropriate level is maintained. Over time these liquids tend to evaporate and get drained, eventually concentrating the acid. This condition can result in corrosion and reduced battery life. To ensure that the battery’s water level is maintained properly, and if it becomes low, top it up right away.
Fasten your battery tight
Loosely fitted batteries are prone to vibration. Vibration can cause serious internal damage and short circuits. Regularly inspect the terminals of your car battery to make sure it is fastened tightly to the mounting bracket. This is especially important when you make a long and bumpy ride in your car.
Lower the power usage
You should turn off your air conditioner and radio when the engine is not running. Using these power-consuming features can cause wear and tear on your battery. It has also been observed that extended periods of idling are harmful to the batteries.
Ride often
Unused cars can reduce the lifespan of their batteries if they are left for long periods. If you do not use the batteries for a long time, you will be unable to start the vehicle. If you are not in town, ask a friend to drive your car around.
Never forget to turn off the lights
When you step out of your car, make sure you turn off your car’s lights. Leaving the headlights or door lights on can shorten the life of your battery. Consider making it a habit to check the car’s lights every time you use it. This way, you ensure that your battery is not stressed or overloaded, thereby extending its life.
Maintaining a car’s battery is vital to avoid incidents of breakdowns and unexpected damages. With the eight tips mentioned in this article, be confident about driving your car safely and without the fear of breaking down. As one of the best USP and Exide car battery dealers in Chennai, we ensure that your car batteries receive prolonged service life and optimum performance. Our services and products are exclusively designed to exceed your expectations and keep you satisfied in all possible ways.
Nantech uses modern state of the art equipment, they then conduct Power Quality Audits and Power monitoring at various Engineering, Automobile, Aerospace, Pharmaceutical, IT Data centers, Textile, Printing, Defence & Railway establishments at a national level. The important factors while writing an audit of an instrument are its Voltage range, Frequency range, Transient response(response of system to change from steady state), Lag, current requirement ,Harmonics(voltage or current at multiple of frequency produced by non-linear loads) etc.
Nantech’s online UPS is a 3 phase four wire system. Its input voltage can range from 300V to 480 V and the output of this voltage will be between 380V to 400V with a ±1% range of variation. Its input frequency is 50 Hz with a ±10% variation and at the same time for the output frequency the variation regulation becomes ±0.05Hz. The voltage harmonics are less than 3% of its initial linear load and the transient response is less than 8 ( which means 10-90% of the linear load)
Nantechs line interactive UPS is a single phase system. Its input voltage range varies from 160V to 280V and output voltage is 220V or 230V with ±1% variation. Its input frequency is 50 Hz with a ±10% variation and at the same time for the output frequency the variation regulation becomes ±0.05Hz. Input lag factor is less than 0.8. Transient response is less than 8 ( which means 10-90% of the linear load) and voltage harmonics is less than 3% of the linear load.
The Servo Stabilizer has an input voltage from 170V to 270V and output voltage is Voltage range- 230V ±1%. Its input frequency range is 47-53 Hz.
READ THIS ALSO: Healthy Maintenance of Your Transformer
Active Harmonic Filter has an input voltage range of 400V,3Ph +N(+10% or -15%) and frequency range of 50Hz(60 Hz optional) with ±10% variation.
Constant Voltage Transformer has input voltage between170 to 270 V ( can be customizable) and the output voltage is 220V-1%. Its input line frequency is – 50 Hz with - 0.5% variation. Output regulation is 2% at no load to full load.
In Ultra Isolation Transformer 55 to 680 vac voltage is available with Input voltage 115v or 230v or 415v and the Output regulation is less than 2%.
Input DC (current) ranges from 10.5 to 14.2 A. Its input voltage is 12V and output voltage can be 220V to 230V.
Note- Here the ± 10% symbolises that a variation of -10% to +10% is noticed while operating that system.
Transformers are a costly and necessary portion of any machinery. As it is used to minimize power line issues such as electrical noise, spikes, surges, and ground loops, insulation transformers are used. It also offers high resistance to insulation and complete electromagnetic and electrostatic shielding. So, it is best to conduct annual maintenance check ups on your machinery to get maximum efficiency and increase product life.
Nantech Power Systems Pvt. Ltd. which gives the best hardware solution in Chennai city also delivers AMCs (Annual Maintenance Contract) when selling our electrical goods.
ALSO READ THIS: What is an Annual Maintenance Contract? And Why Should You Worry About It?
Preventive maintenance can help to detect problems and provides:
Conclusion: A famous saying “a stitch in time saves nine” used to express that it is better to spend little time and effort right now to avoid major problems in the future which may lead to cost more money sometimes life too.
Replacement and warranty periods might be necessary factors to consider while purchasing electrical appliances. But, the AMC (Annual Maintenance Contract) should also be taken into consideration before making your decision. To put it simply, it’s an agreement between you, the consumer, and the product’s company that ensures that you get repairs, and maintenance for free or nominal fees during the contract period, from the authorized executives of the company. We at Nantech provide AMCs while selling our electrical products and here’s a list of how you can benefit from it:
AMCs make sure that the repairs and services don’t get too pricey! Additionally, you know the upfront prices if any, ensuring that you aren’t falsely tricked into paying more than what is officially needed.
Unforeseen emergency situations can occur at times and leave you puzzled. But in case they occur during the contract period, you can instantly get help from the company! Just call the customer care of the product company and help will arrive at your doorstep.
The tech support executives working at the product’s company are extremely resourceful people since they are well-trained for their jobs. Of course, in case of emergencies, you can call a repair person from your local hardware store but chances are that they might be relatively unskilled and you might be overcharged for the maintenance or repair task. Or even worse, you can be scammed! Fortunately, authorized personnel are at your disposal, whenever needed and will do the job as per the official price.
Also Read: Why Do Inverter Batteries Die So Soon?
Electrical devices may become less efficient with the passage of time. However, maintaining them verifies that the devices are performing as per their given specifications. Lower efficiency can even lead to more expenditure. And hence, services are necessary so that you don’t end up spending more due to an inefficient device!
It’s often a debatable topic for some folks who state that maintenance isn’t necessary as long as the device is working perfectly. But contract periods offer you security, safety, and peace of mind during emergency situations. Moreover, you can’t get to know the efficiency and persisting potential problems within a device, without carrying out routine maintenance checks. These checks can even avoid or tackle a problem before it actually happens and make things go haywire.
In conclusion, Annual Maintenance Contracts are necessary to fortify your product and reassure you in times of crisis. We at Nantech sell a wide range of products with these contracts, to make sure you get help when you need it the most!
UPS- Uninterruptible Power Supply or Source. It is a backup system with incredible fast safe measures in place. In case of an emergency ( like main power failure) this appliance helps keeps machines connected to it safe and provides energy to these machines till the time its battery runs out.
In December 2016 the Emerson Network Power was renamed Vertiv by the Platinum Equity (company which acquired it).
ALSO READ THIS: VERTIV THERMAL PRODUCTS (PAC)
| SERIES | Input Voltage | Output Voltage | Battery | Application | Features |
Liebert ITON-
|
220/230 VAC | ±10% of input VAC |
|
Home or Small office’s computer and electronic equipment |
|
Liebert GXT MT+ -
|
230 VAC | ± 1% of input VAC | 12V/ 9 AH | For Critical Application like banks, Data Networks, Small Data Centers, VOIP Applications |
|
Liebert GXT MT+ 6 kVA - 20 kVA
|
|
± 1% of input VAC |
|
Same as above |
|
| Liebert POWERBANK 6 kVA | 230 VAC | ±2% AC INPUT | 192 VDC | Electrical Grid power cut or fluctuation issues like in middle of a surgery. |
|
Liebert NXC
|
305-477 VAC | ±20% of input VAC |
|
Wide range of applications from IT and manufacturing to retail and transport |
|
Liebert eXM 80kW - 200kW
|
380/400/415 VAC | 380/400/415 VAC | Light industrial application | Online mode Eff-iciency 96% to 99%
|
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| Liebert APM 400- 600 kVA |
380/400/415 VAC | 380/400/415 VAC | Management of servers in IT |
Flex Power Tech is basically intelligence that helps the flexibility and adaptability. |
|
Liebert APM
|
380/400/415 VAC | 380/400/415 VAC | Same as above | Same as above | |
Liebert AF3
|
|
Chennai which is one of the most leading city in advanced hardware technologies.
Nantech Power Systems Pvt. Ltd. provides you the best thermal products (PAC) in Chennai city.
Here are the two categories of thermal products provided by Nantech.
Small room cooling
For all-time temperature and moisture control in network closets, computer rooms, and other little spaces. Its low profile allows floor-mount or wall-mount fitting and requires little or no floor space.
Direct expansion floor-mount cooling unit
Provides top most Thermal management efficiency by advanced cooling technology for various data centers and server rooms.
ALSO READ THIS: Servo Voltage Stabilizers: – Air-Cooled vs Oil-Cooled
| LIEBERT SRC - SMALL ROOM COOLING | LIEBERT PDX - DIRECT EXPANSION FLOOR-MOUNT |
|---|---|
Benefits Less Risk
Industry-Leading Energy Efficiency
Fast, Simple Installation, Reliable
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Benefits
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Features
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Features
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To protect your critical types of equipment Nantech power systems Pvt.Ltd. the best servo voltage stabilizer dealers provide one of the best voltage stabilizers in Chennai city. This city is already advanced in technologies providing the futuristic level of hardware designs. If you are looking for servo voltage stabilizers your search ends here.
Voltage stabilizers are used to stabilize or regulate the voltage if the voltage is fluctuating over a given range. The main purpose of stabilizers is to provide a constant voltage to load or appliances.Servo Stabilizer is a Servo motor driven stabilization system that performs optimum voltage supply.
Servo stabilizer is an electromechanical device therefore its voltage correction speed is slower than static voltage stabilizer.
Following are the two types of servo voltage stabilizers
Air-cooled Servo Voltage Stabilizers are very much useful for various electrical as well as electronic applications.The servo stabilization mechanism with air-cooling means efficiently ensures optimumvoltages.This stabilizer includes a transformer and a power control circuit for controlling output AC voltage. The negative feedback circuit controls the voltage or power automatically and regulates it to a level that’s set or required. The most effective part is that within the entire operation, the voltage regulator doesn’t require any manual interruption, it functions automatically.
Oil-cooled have inherently higher short-time or sustained overload capacity as compared to Air-cooled types. The main difference between oil-cooled and air-cooled stabilizers is the capacity of oil-cooled stabilizers are for higher capacity. These are used in places where there is a high frequency of fluctuating voltage in the power supply. Anoil-cooled stabilizer guarantees that the fluctuation in the power supply does not affect the electronic or electricaltypes of equipment.
| Air-cooled servo voltage stabilizer | Oil-cooled servo voltage stabilizer | |
|---|---|---|
| Cooling type | Natural Air-cooled | Oil-cooled |
| Mode of system | Fully Automatic | Fully Automatic |
| Input Voltage | 300-460V / 340-480V / 360-460V 3Phase | 300-460V / 340-480V / 360-460V 3Phase |
| Frequency | 45 - 55 Hz | 45 – 55 Hz` |
| Connections | Star | Star |
| Output voltage | 380 - 400V | 380 - 400V |
| Waveform Distortion | Nil | Nil |
| Output Waveform | As same as Input | As same as Input |
| Operating Temperature | 0°C to 45°C | 0°C to 45°C |
| Insulation | Class F | Class F |
| Output Voltage Regulation | +1% (No Load/Full load) | +1% (No Load/Full load) |
| Efficiency | 98% | 98% |
| Features |
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| APPLICATIONS |
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| For more details and support | Click Here | Click Here |
Chennai city is leading in the hardware industry. From the past few years, it has advanced alot in hardware technology development. Foremost Nantech Power Systems Pvt Ltd., one of the most important major hardware manufacturing companies that provide top-level transformers.
Constant Voltage Transformer (CVT)is a non-linear transformer also known as Ferro resonant Transformer (Ferro).
Ferro resonance is a regulated voltage output provided by CVT through an electromagnetic phenomenon.
CVTs are basically 1:1 transformer that is excited high on their saturation curves, thereby providing an output voltage which isn’t significantly tormented by input voltage variations. This special characteristic is that the foundation of the appliance of Ferro resonant transformers as power conditioners.
An Ultra isolation transformer is a transformer that’s accustomed transfer electricpower from a source of alternating current (AC) power to some equipment or device while completely isolating the connected device from the power source, usually for safety.
An isolation transformer is a transformer, usually with symmetrical windings, which is used to decouple two circuits. An isolation transformer allows an alternating current(AC) signal or powers to be taken from one device and lead into another without electrically connecting the two circuits. Isolation transformers block the transmission of direct current (DC) signals from one circuit to another, but allow AC signals to pass through. They also block interference caused by ground loops. Isolation transformers with electrostatic shields are used for power supplies for sensitive equipment like computers, Lab Instruments, CNC Machines, Medical Equipments, etc.
Isolation Transformer employs a novel multiple shielding technique that reduces the inter-winding capacitance to a large extent and increases the DC isolation.
| Parameters | CVT | UIT |
|---|---|---|
| Transformer | Ferro resonant Transformer | Copper Wound Transformer |
| Noise Rejection | broadband for common & transient modes | excellent common-mode |
| Voltage Available | 2 to 680 Vac | 55-0-55 to 680 Vac |
| Voltage Stabilization | 5:1 or 15:1 or better | none |
| Input Voltage | 170 to 260 V | 115V/230V/415V |
| Output regulation | 3-5% | < 2% |
| Cooling Type | 170 to 260 V | Air/Oil cooled |
| Waveform | Sinusoidal | Sinusoidal |
| Efficiency | Better Than 85 % | 96 to 98%. (Depend on Capacity) |
| Features |
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| Applications |
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We had availed the services of “NANTECH POWER SYSTEMS PVT LTD” and their service was excellent. Their rates were competitive when compared to others. They have discharged their services in professional manner. We appreciate the timely delivery (at a time, convenient to us) of the battery for the UPS at a very competitive rate.
We purchased UPS from Nantech for most of our systems and they are all working as expected. Their after sales service is exceptional and was the primary reason why we did not have any inhibitions in taking an AMC with them. Keep up the good work!
Nantech Power Systems Pvt Ltd,
17a, 2nd Cross Street,
Sastha Nagar, Valasaravakkam,
Chennai ‑ 600087.
